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Acid Strengths - Sulfuric VS Hydrochloric
I don't know where that table came from but you cannot measure the strength of strong acids in water ... |
11-9-2006 at 10:40
by: unionised |
PEDE fire retardants
Do you mean PBDE? |
10-9-2006 at 00:59
by: unionised |
Chromium from Thermit reaction?
I read that adding K2CrO4 to the thermite makes it a bit more vigorous and melts the Cr produced. Ad ... |
10-9-2006 at 00:56
by: unionised |
Chromium from Thermit reaction?
HCl dissolves Cr; NaOH would be beter.
Any S present as an impurity in the Al or the acid will be r ... |
9-9-2006 at 09:06
by: unionised |
vapor pressure of NH4OH
Contrary to popular belief NH4OH practically does not exist.
It's a myth; in my opinion, a marketin ... |
8-9-2006 at 15:34
by: unionised |
Capsaicin extraction and isolation
Any of it that gets absorbed is likely to be metabolised by hydrolysis of the amide group or oxidati ... |
7-9-2006 at 11:35
by: unionised |
Anyone doing Protein Folding ?
"well, it's not exactly an infinate supply of possibilities. "
Are you sure?
The angle between 2 b ... |
6-9-2006 at 11:40
by: unionised |
Accident
IIRC acetamide doesn't smell; the impurities in it do.
Still, the best I can offer is soap and wate ... |
6-9-2006 at 11:30
by: unionised |
Need help with prep. of phthalic anhydride from naphthalene
I'd have a look at phthalate plasticisers --> phthalic acid --> phthalimide before I tried oxi ... |
6-9-2006 at 11:15
by: unionised |
Questions about Inorganic Chemistry
Just out of idle curiosity, do you plan to get us to answer the questions when you sit exams?
Does ... |
5-9-2006 at 10:09
by: unionised |
nicotine sulfate
This reference
http://library.thinkquest.org/C007974/1_1tob.htm
seems to indicate that nicotine i ... |
28-8-2006 at 02:27
by: unionised |
Purifying Benzyl Alcohol from Mouth Wash
Those ingredients are listed alphabetically.
Quite a few of the other ingredients wouldn't dissolve ... |
26-8-2006 at 01:55
by: unionised |
Nitrogen inflated tires !
"IIRC the reason is something to do with expansion / contraction over temperature ranges, apparently ... |
25-8-2006 at 05:10
by: unionised |
preparation of MgB2
Just a random thought, do you have diffraction data for magnesium borate(s)? |
20-8-2006 at 10:43
by: unionised |
Homemade Ph Indicator from purple cabbage
As far as I can tell, the rules of logic will not answer my question about keeping air out of experi ... |
19-8-2006 at 03:58
by: unionised |
Irish tech firm throws down "free energy" gauntlet
"McCarthy, a founder of Steorn in 2000, said the company discovered the technology while using magne ... |
19-8-2006 at 03:53
by: unionised |
BUTYL RUBBER from CAULK
Very few things rot stainless steel as quickly as HCl does. |
17-8-2006 at 09:20
by: unionised |
Flexible heating elements
Blue asbestos (croccidolite) is even more nasty than the white and brown forms.
Silicosis is a ma ... |
16-8-2006 at 10:52
by: unionised |
Flexible heating elements
I did not exagerate; the figures I used were those produced by HSE.
A quick quote from that site. ... |
15-8-2006 at 11:40
by: unionised |
chlorine ingestion
Is this the first time you have swallowed a few mouthfuls of pool water? What happened last time?
D ... |
15-8-2006 at 11:24
by: unionised |
What else can Uranium be used for?
Uranium is roughly twice as abundant in the earth's crust as tungsten.
Under the sort of conditions ... |
15-8-2006 at 11:15
by: unionised |
Flexible heating elements
All those exagerations are on about the single largest cause of work related death in the UK.
Rou ... |
14-8-2006 at 09:22
by: unionised |
Sleeping on a floating bed?
Sorry to spoil the idea, but that set of magnets is exactly the sort of thing that Earnshaw's theore ... |
14-8-2006 at 09:14
by: unionised |
What else can Uranium be used for?
IIRC one of the reagents for measuring sodium in slution was based on uranium. Notwithstanding the a ... |
14-8-2006 at 08:56
by: unionised |
What else can Uranium be used for?
While I don't agrre with Franklyn's "enthusiasm" for DU weapons I do accept that they work.
OTOH, w ... |
13-8-2006 at 21:57
by: unionised |
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